Round: 44 Ground: Hardcourt outdoor
| ITF Japan F2 | 2018/03/11 00:30 | Yuichi Ito v Ryota Kishi | 7-6,7-5 |
| ITF Japan F1 | 2018/03/08 03:10 | Yuichi Ito v Такаши Саито | 2-6,4-6 |
| ITF Japan F1 | 2018/03/07 01:00 | Yuichi Ito v Taketo Takamisawa | 1-6,6-1,6-0 |
| Challenger Kyoto Qual | 2018/02/17 05:15 | Тунг-Лин Ву v Yuichi Ito | 6-4,7-6 |
| ITF Israel F18 | 2017/12/13 08:00 | Dmitry Mnushkin v Yuichi Ito | 5-7,7-5,6-4 |
| ITF Israel F18 | 2017/12/12 10:55 | Ейтан Дрей v Yuichi Ito | 2-6,0-6 |
| ITF Israel F17 | 2017/12/07 09:00 | Yuichi Ito v Damien Bayard | 3-6,6-3,3-6 |
| ITF Indonesia F8 | 2017/11/30 03:00 | Сора Фукуда v Yuichi Ito | 7-5,6-3 |
| ITF Japan F2 | 2018/03/11 00:30 | Коусуке Огура v Shinta Fujii | 6-2,5-7,6-7 |
| ITF Japan F1 | 2018/03/03 04:30 | Shinta Fujii v Sota Fujii | 4-6,4-6 |
| Challenger Kyoto Qual | 2018/02/19 01:30 | Же Ли v Shinta Fujii | 6-4,6-3 |
| Challenger Kyoto Qual | 2018/02/18 01:00 | Риота Танума v Shinta Fujii | 3-6,5-7 |
| Challenger Kyoto Qual | 2018/02/17 02:25 | Shinta Fujii v Кенто Такеучи | 0-6,7-6,6-4 |
| Challenger Launceston Qual | 2018/02/03 04:20 | Кен Ониши v Shinta Fujii | 6-0,4-6,6-3 |
| ITF Indonesia F8 | 2017/11/28 03:30 | Кенто Такеучи v Shinta Fujii | 7-6,6-3 |
| ITF Indonesia F8 Qual | 2017/11/27 08:30 | Shinta Fujii v Arsav Mohanty | 4-6,6-2,6-1 |